Cedric put a barbecue grill on layaway. He had to make an initial payment of 20% of the final price which included 8.25% sales tax. He then made 4 equal monthly payments of
the remaining balance. If the grill was $499, before tax, what was the amount of each
monthly payment to the nearest cent?

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image